hadoop FlowRunEntity 源码

haddop FlowRunEntity 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/FlowRunEntity.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.yarn.api.records.timelineservice;

import javax.xml.bind.annotation.XmlElement;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;

/**
 * This entity represents a flow run.
 */
@InterfaceAudience.Public
@InterfaceStability.Unstable
public class FlowRunEntity extends HierarchicalTimelineEntity {
  public static final String USER_INFO_KEY =
      TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "USER";
  public static final String FLOW_NAME_INFO_KEY =
      TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "FLOW_NAME";
  public static final String FLOW_VERSION_INFO_KEY =
      TimelineEntity.SYSTEM_INFO_KEY_PREFIX +  "FLOW_VERSION";
  public static final String FLOW_RUN_ID_INFO_KEY =
      TimelineEntity.SYSTEM_INFO_KEY_PREFIX +  "FLOW_RUN_ID";
  public static final String FLOW_RUN_END_TIME =
      TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "FLOW_RUN_END_TIME";

  public FlowRunEntity() {
    super(TimelineEntityType.YARN_FLOW_RUN.toString());
    // set config to null
    setConfigs(null);
  }

  public FlowRunEntity(TimelineEntity entity) {
    super(entity);
    if (!entity.getType().equals(
        TimelineEntityType.YARN_FLOW_RUN.toString())) {
      throw new IllegalArgumentException("Incompatible entity type: "
          + getId());
    }
    // set config to null
    setConfigs(null);
  }

  @XmlElement(name = "id")
  @Override
  public String getId() {
    //Flow id schema: user@flow_name(or id)/run_id
    String id = super.getId();
    if (id == null) {
      StringBuilder sb = new StringBuilder();
      sb.append(getInfo().get(USER_INFO_KEY).toString())
          .append('@')
          .append(getInfo().get(FLOW_NAME_INFO_KEY).toString())
          .append('/')
          .append(getInfo().get(FLOW_RUN_ID_INFO_KEY).toString());
      id = sb.toString();
      setId(id);
    }
    return id;
  }

  public String getUser() {
    return (String)getInfo().get(USER_INFO_KEY);
  }

  public void setUser(String user) {
    addInfo(USER_INFO_KEY, user);
  }

  public String getName() {
    return (String)getInfo().get(FLOW_NAME_INFO_KEY);
  }

  public void setName(String name) {
    addInfo(FLOW_NAME_INFO_KEY, name);
  }

  public String getVersion() {
    return (String)getInfo().get(FLOW_VERSION_INFO_KEY);
  }

  public void setVersion(String version) {
    addInfo(FLOW_VERSION_INFO_KEY, version);
  }

  public long getRunId() {
    Object runId = getInfo().get(FLOW_RUN_ID_INFO_KEY);
    return runId == null ? 0L : ((Number) runId).longValue();
  }

  public void setRunId(long runId) {
    addInfo(FLOW_RUN_ID_INFO_KEY, runId);
  }

  public long getStartTime() {
    return getCreatedTime();
  }

  public void setStartTime(long startTime) {
    setCreatedTime(startTime);
  }

  public long getMaxEndTime() {
    Object time = getInfo().get(FLOW_RUN_END_TIME);
    return time == null ? 0L : ((Number) time).longValue();
  }

  public void setMaxEndTime(long endTime) {
    addInfo(FLOW_RUN_END_TIME, endTime);
  }
}

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